Grapes are sturdy plants. They stubbornly withstand drought and can succeed even in rocky, infertile soils. Given reasonable care, grape vines remain productive for 20 to 30 years. For the best use, train grapes along an existing border fence or trellis. This serves to set off property boundaries, add privacy, screen undesirable views or add landscape interest. The type of landscape use, amount of leisure time available and desire for fruit are considerations in determining the number of vines you should plant. Weeding, pruning, tying and spraying are necessary cultural operations. In most in...